0:54
Old household air conditioner timer ticking.
0:21
Warehouse exhaust fan run steady, whirring hum, CU.
0:18
Warehouse exhaust fan run steady, whirring hum, medium CU.
0:24
Warehouse exhaust fan run steady, whirring hum, distant.
0:54
Huge vent fan, metallic rattle and whine.
1:01
Large pet shop store with children and air conditioning.
1:00
Heater fan running through vent, exterior perspective.
1:00
Heater fan running, exterior perspective.
1:00
Heater fan running, interior perspective.
0:08
Air conditioner or heater vent revving up, exterior perspective.
0:08
Air conditioner or heater vent revving down, exterior perspective.
0:07
Air conditioner or heater fan revving up, interior perspective.
0:07
Air conditioner or heater fan revving down, interior perspective.
0:06
Air conditioner or heater fan revving up, exterior perspective.
0:05
Air conditioner or heater fan revving down, exterior perspective.
1:00
Heater fan running through vent, exterior perspective.
1:00
Heater fan running, exterior perspective.
1:00
Heater fan running, interior perspective.
0:08
Air conditioner or heater vent revving up, exterior perspective.
0:08
Air conditioner or heater vent revving down, exterior perspective.